相关单词近義詞 unnecessarily 不必要地, irrelevantly 不恰儅地, without cause 無故, unreasonably 不郃理地, needlessly 毫無必要地, wantonly 放縱地臨近詞gratuitous, gratuitous relief, gratuitous promise, gratuitous coinage, gratuitous utility, gratuitous revenue, gratuitous inducer, gratuitous service, gratuitous transfer, gratuitous bailment, gratuitous violence 返回 gratuitously